Until the 27th year of his age we meet with little respecting his education, travels, and pursuits. With his marriage commenced his engagement with that artificer Caspar Kaltoff, whom he employed in promoting his own practical course of studies in a branch of inquiry which had never before, and has never since, been so assiduously examined and tested. The pursuits then commenced and indefatigably pursued, as well for instruction as amusement, combined with a strong natural bias for such occupations, may have served at a later period, under less favourable circumstances, to lighten the tedium of exile and imprisonment. He enjoyed but seven years of married life, being then left with three children, and remained a widower for three years; when, in 1639, he married a second time, having but one child by his second marriage, who died an infant. In the family group, painted by Hanneman (now first engraved), the artist has drawn him seated beside his wife and child; but when this work was executed is unknown, although it most likely dates between 1639 and 1641. The breaking out of the Civil War would seriously interfere with the Marquis of Worcester’s scientific investigations; he would no longer be able to settle down to the serious study of his favourite authors; his models and mechanical experiments would be in abeyance; and there was no alternative left for him but to unite himself to the cause either of the King or the Parliament. His loyalty led him to choose the former course, and his association with Charles the First, combined with that unfortunate monarch’s unhappy situation and disposition, eventually worked the entire ruin of the Marquis of Worcester. But apart from the ordinary occurrences of the war, it was his misfortune to be selected by the King to act as his emissary in negotiating a peace with the Roman Catholic party in Ireland, on terms contrary to the established religion of the realm and irrespective of the laws. That he should have listened to the urgent demands of his sovereign is, under any circumstances, not very remarkable; and we are the less disposed to be surprised at his being won over by the King’s solicitations, considering that he was not a practised statesman, and that the proposed measure was preceded by his being created Earl of Glamorgan, and that it was represented as offering enlarged privileges to his own church and party, as well in Ireland as in England. A more cautious politician might have suspected some ulterior design beneath this promising external appearance, might have questioned the possibility of some extraordinary exercise of the royal prerogative, and at length concluded that no measure was safe, coming from a sovereign who actually seemed to imagine that divine right was delegated to him to annul any obligation whatever, however freely tendered by himself, provided he could satisfy his own conscience that his so acting would be to the advantage of the Crown. But the Marquis was no grovelling